beats ebats baets abets eabts aebts betas ebtas bteas tbeas etbas tebas bates abtes btaes tbaes atbes tabes eatbs aetbs etabs teabs atebs taebs beast ebast baest abest eabst aebst besat ebsat bseat sbeat esbat sebat baset abset bsaet sbaet asbet sabet easbt aesbt esabt seabt asebt saebt betsa ebtsa btesa tbesa etbsa tebsa besta ebsta bseta sbeta esbta sebta btsea tbsea bstea sbtea tsbea stbea etsba tesba estba setba tseba steba batse abtse btase tbase atbse tabse baste abste bsate sbate asbte sabte btsae tbsae bstae sbtae tsbae stbae atsbe tasbe astbe satbe tsabe stabe eatsb aetsb etasb teasb atesb taesb eastb aestb esatb seatb asetb saetb etsab tesab estab setab tseab steab atseb taseb asteb sateb tsaeb staeb
Note: these 'words' (valid or invalid) are all the permutations of the word beats. These words are obtained by scrambling the letters in beats.